Lubbock cold case highlighted in new Netflix Documentary - FOX34 Lubbock

Lubbock cold case highlighted in new Netflix Documentary

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LUBBOCK, Texas -

"My sister Debbie was almost like a mother to me. That summer, particularly, I spent a lot of time with her," Liz Flatts recounted about her last few days with her older sister.

When Flatts was only 8 years old, her sister was murdered.  

Her name was Debbie Sue Williamson.

"You never saw my dad upset. My dad was very strong and he took care of things... he proceeded to say that Debbie was dead and he just broke down and cried," Flatts said. 



The shock of the 18-year-old's murder in 1975, a newly-wed with her whole life ahead of her, wore away as the case eventually went cold.

A new Netflix documentary series titled "The Confession Killer" highlights the improbable movements of one of America's most prolific serial killers: Henry Lee Lucas. 

Lucas traveled the country in the 1980s with a task force confessing to hundreds of cold cases.

3 of which took place in Lubbock. 

When Lucas confessed to Debbie's murder, her family refused to believe it, finding too many wrong facts in his statement.

They decided they find the truth, on their own terms. 

"The parents of Deborah Sue Williamson, Bob and Joyce Lemons, were key to exposing the Lucas hoax," co-director of the documentary Taki Oldham said. "They, before pretty much anyone else, had seen a Lucas confession to the murder of their daughter and realized very quickly that the things that Lucas was saying did not, in anyway match the crime scene," he added. 

"They were tracing his every step to find out could he or could he have not... actually have killed my sister. Because that's what they wanted to know. And they discovered there was absolutely no way,"  Flatts said. 

According to Flatts, the Texas Rangers threatened her parents as they tried to find out the truth.

She says the family's investigation was able to prove that Lucas was not even in the same state at the time Debbie was killed. 



Lucas confessed to more than 200 murders.

He has only been convicted for 11. 

"These cases need to be worked. These people... they deserve justice just like anybody else, " Flatts said. 

"Every one of these crimes needs to be checked. Because if Lucas isn't guilty then the killer is quite likely out there, " Oldham said.

Lubbock PD reports the case is still open and is continually reviewed. 

If you have any new information you are asked to call Crime Line at 806-741-1000 or Det. Bonds at 806-775-1489. 

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